Please note that while these example conversions were done with Sigma’s Sigma Photo Pro software, Iridient Developer offers a special “XDR Monochrome” mode for very high quality conversions to black and white, with claimed improvements in noise, dynamic range and fine detail rendition.

Side note: more flexible (true RGB sensor), autofocus, better easy of use, and 1/10 the cost of the Leica M Monochrom. Of course the Leica MM is full frame and will do much better at high ISO, but I see no reason to complain about the DP Merrill monochrome ability